NYC 9/11 Public Portal Document
2ncS Floor Hallway Results
Asbestos
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-2ND-001 Air 0.003 f/cc
9094-A-2ND-002 Air 0.002 f/cc
90S4-A-2ND-001 Air 0.0011 S>0.5u/CC Chrysotila
9094-A-2ND-002 Air 0.0025 S>O.5U/CC Chrysotile
9094-A-2ND-001 Air 0.0005 S>5u/cc Chrysotile
9094-A-2ND-002 Air ND < 0.0005 S>5u/cc
Gypsum
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-2ND-005 Air ND < 0.009 mg/m3
9094-A-2ND-006 Air ND < 0.009 mg/m3
Lead
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-2ND-003 Air ND < 0.052 ug/m3
9094-A-2ND-004 Air ND < 0.052 ug/m3
Mineral: alpha-Quartz
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-2ND-005 Air ND < 0.004 mg/m3
9094-A-2ND-006 Air ND < 0.004 mg/m3
Mineral: Calcite
Post 1st cleaning - Test 4A
Sample ID Matrix Detected Result Comment
9094-A-2ND-005 Air ND < 0.017 mg/m3
9094-A-2ND-006 Air ND < 0.017 mg/m3
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NYC-WTC_000145239
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